US Patent Issued to SOUTHEAST UNIVERSITY on Aug. 26 for "Isolation forest-based modular multilevel converter open-circuit fault diagnosis method devices" (Chinese Inventors)

ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,399,232, issued on Aug. 26, was assigned to SOUTHEAST UNIVERSITY (Nanjing, China).

"Isolation forest-based modular multilevel converter open-circuit fault diagnosis method devices" was invented by Fujin Deng (Jiangsu, China), Yufei Chen (Jiangsu, China) and Chengkai Liu (Jiangsu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses an isolation forest (IF)-based modular multilevel converter (MMC) open-circuit (OC) fault diagnosis method, including the following steps: sampling capacitor voltages of submodules (SM), constructing an isolation tree (IT) according to capacitor voltage data, and calculating a depth of each SM ...